bmi = weight/(height*height)

if bmi>=32:

    print('严重肥胖')

elif 32>bmi>=28:

    print('肥胖')

elif 28>bmi>=25:

    print('过重')

elif 25>bmi>=18.5:

    print('正常')

elif 18.5>bmi:

    print('过轻')